39results about How to "Play an anti-stress role" patented technology

The invention provides a cable protection pipe resistant to tension and compression. The cable protection pipe comprises a first opening protection pipe, a second opening protection pipe and a fixing device. The first and second opening protection pipes both have a semi-circular cross section. The first opening protection tube comprises a first inner protection pipe layer and a first outer protection pipe layer. The inner side of the first outer protection pipe layer is provided around the first inner protection pipe layer with a plurality of first support cavities having a triangular cross section. Each first support cavity is provided internally with a first flexible tension resistant body. The second opening protection pipe comprises a second inner protection pipe layer and a second outer protection pipe layer. The inner side of the second outer protection pipe layer is provided around the second inner protection pipe layer with a plurality of second support cavities having a triangular cross section. Each second support cavity is provided internally with a second flexible tension resistant body. The fixing device comprises a first fixing member and a second fixing member. The invention has the advantages of simple structure, high resistance to tension and compression, fixation, firmness, and good protection effect.

The invention discloses a flexible cable which integrates the wear-resistant function, the flame retardant function, the fire prevention function, the high temperature and low temperature resistant function, the acid and alkali resistant function, the oil and water resistant function, the tearing prevention function and the good and stable signal transmission function. The flexible cable is composed of copper core stranded conductors, an insulating layer, a packing layer, a wrapping tape layer, an armor layer and a protective sleeve layer from inside to outside. The second type of copper core conductors are adopted for the copper core stranded conductors, mica tape is wound to form the insulating layer, flame-retardant filling ropes are adopted for materials of the packing layer, the wrapping tape layer comprises a mica tape wrapped layer and a glass fiber belt wrapped layer, and 125 DEG C low-smoke halogen-free flame retardant TPU materials are adopted for materials of the protective sleeve layer. The flexible cable is suitable for being applied to industrial and mining enterprises such as electricity generation enterprises, metallurgy enterprises, electronic enterprises, automobile enterprises, petroleum enterprises, chemical industry enterprises and large-scale construction enterprises, and the flexible cable can meet the requirements for the abrasion resistance performance, the fire prevention performance and other types of performance of cables, and can be used in special environments such as high-temperature environments, low-temperature environments, acid environments, alkali environments and environments where movement exists.

The invention discloses a cysteamine hydrochlorate compound premix material for increasing the weight of meat poultry, and a method for preparing the same, wherein 10 to 30 portions of vitamin A, 3 to 10 portions of vitamin D3, 3 to 10 portions of vitamin E and one fifth to four fifths of 50 to 800 portions of xylo-oligosaccharide are evenly mixed, 0.5 to 1.5 portions of vitamin B2, 0.003 to 0.009 portion of vitamin B12, 0.50 to 1.0 portion of folic acid and one tenth to one fifth of 50 to 800 portions of xylo-oligosaccharide are evenly mixed, and the mixtures is evenly mixed with 100 to 900 portions of cysteamine hydrochlorate clathrate, 8 to 20 portions of methionine, 5 to 30 portions of lysine, 5 to 20 portions of solid emulsifier, 2 to 10 portions of glutamine and the remained carrier xylo-oligosaccharide to prepare the premix material. The compound premix material can supplement vitamins and amino acids needed for fast growth of meat poultry, strengthen the digestion, absorption and utilization of energy and nutrient substances such as nitrogen, calcium, phosphorus, and the like, improve the carcass merit, increase the meat factor, enhance the immunity function of organism, improve the illness resistant capability and the stress resistant capability, enforce the digestion and absorption of proteins and fats, improve the number of helpful bacteria in intestinal canals, enforce the digestion and absorption of nutrient substances and improve the feed conversion rate. The cysteamine hydrochlorate compound premix material can not only increase the producibility of meat poultry but also improve the meat quality.

The invention relates to the field of metal composite materials and discloses a metal composite plate and a preparation method thereof. The metal composite plate is formed by clamping and combining two metal plates and a foam metal fiber layer, wherein the foam metal fiber layer is formed from a foam metal, first fibers, second fibers and a filler; the first fibers and the second fibers respectively penetrate through two end faces of the foam metal; and at least partial ports of the foam metal are filled by the filler. According to the metal composite plate provided by the invention, the interlayer binding force between the upper and lower metal plates and the intermediate layer is higher.

The invention discloses prevention of myocardial energy metabolism disorder, myocardial mechanism damage, cardiac function disorder and heart perfusion amount caused by ischemia and ischemia reperfusion by utilization of Astragaloside (As-IV), one of main components of qishenyiqi drop pills. The main mechanism is that Astragaloside keeps the rates of ATP/ADP and ATP/AMP through inhibition of decrease of expression levels of amyocardium ATP5D protein and an mRNA caused by ischemia and ischemia reperfusion, myocardial fiber damage and myocardium cell apoptosis are inhibited, and further myocardial infarction caused by ischemia reperfusion is decreased.

A low-voltage fireproof cable is disclosed, including jackets, the sheath is sleeved on the outer wall of the protective layer, the protective layer is sleeved on the outer wall of the copper core, Afill layer is filled between the copper core and the protective layer, The copper core comprises a thick copper wire and a copper wire, wherein the copper wire is provided with a plurality of strandsand is wound and adhered on the outer wall of the thick copper wire; the lower end of the sheath is provided with a tangential structure; the tangential structure comprises a cutting knife A and a cutting knife B; and a baffle plate is arranged above both outer ends of the cutting knife A and the cutting knife B. As that fire-retardant paint is arrange, Magnesium oxide powder, protective layer, filling layer, insulating sleeve and tangential wire structure solve the problems of high temperature caused by fire when the cable is in use, melting of the cable causes the normal use of the cable power-off image cable, poor conductor performance in the cable, poor compression resistance when the cable is in use, and difficult peeling of the copper core when the cable is connected.

The invention discloses an undersea compression-resistant and stretch-resistant cable. The undersea compression-resistant and stretch-resistant cable comprises a waterproof sleeve; four arc-shaped grooves are formed in the inner wall of the waterproof sleeve in the circumferential direction; arc-shaped rods are arranged in the four arc-shaped grooves respectively; the two ends of the arc-shaped rods are fixedly connected with the inner walls of the corresponding arc-shaped grooves; each arc-shaped rod is sleeved with two sliding blocks; the two sliding blocks are both glidingly connected withthe corresponding arc-shaped rod; grooves are formed in the side walls of the two sliding blocks respectively; the inner walls of the grooves are rotationally connected with connecting rods; an insulating sleeve is arranged in the waterproof sleeve; four rubber rods corresponding to the positions of the arc-shaped grooves are arranged on the side wall of the insulating sleeve in the circumferential direction; one ends, far from the inner walls of the grooves, of the two connecting rods are both rotationally connected with one ends, far form the insulating sleeve, of the rubber rods; a placement groove is formed in the insulating sleeve; copper sheets are arranged in the placement groove; and four strands of cables are arranged in the insulating sleeve. The undersea compression-resistant and stretch-resistant cable is reasonable in design and simple in operation; and compression resistance requirements of the cable in the transverse direction and the longitudinal direction both can be satisfied, so that the undersea cable can resist any safety threatens caused by underwater subterranean flow.

A voltage-withstanding flexible liquid cooling fin comprises a cooling fin main body and an aluminum tube disposed on the cooling fin main body and as a water inlet/outlet, the cooling fin main body is composed of two outer aluminum sheets and a middle rubber sheet located between the two outer aluminum sheets, the semicircular structures of the two outer aluminum sheets are oppositely connected to form a channel, the flat sheet structures of the two outer aluminum sheets and the flow channel gap of the middle rubber sheet are oppositely connected to form a liquid channel; the aluminum tube isfixed in the liquid channel and is provided with a gap, the head end/tail end of the liquid channel are collected to the channel, and the head end/tail end of the liquid channel both correspond to the gap of the aluminum tube, and the middle section of the aluminum tube is provided with a blocking piece configured to block the water inlet and the water outlet. The voltage-withstanding flexible liquid cooling fin can be directly put at the internal portion of the battery pack to increase and decrease the temperature of the battery pack, and is simple and reliable in structure, small in size, good in toughness and good in voltage-withstanding effect.

The invention provides macroporous cement concrete capable of adsorbing carbon oxide and a preparation method of the macroporous cement concrete. The macroporous cement concrete comprises cement and a coarse aggregate and further comprises stone powder or stone ballast, a geopolymer adhesive, a water reducer and water, wherein the stone powder or stone ballast is idocrase and/or pyroxene, or a mixture of idocrase and/or pyroxene and qingheiite. The preparation method comprises the following steps: stirring stone powder or stone ballast, water of 10% designed weight and sodium bicarbonate for 30s according to proportion; then adding coarse aggregate, qingheiite and water of 40% designed weight, uniformly mixing and stirring for 2 min; finally, adding cement, a geopolymer adhesive, a water reducer and the rest water of 50% designed weight, and stirring for about 2 min to obtain a cement concrete mixture. Carbon oxides and sulfides in air enter from pores of the macroporous cement concrete to react with idocrase and pyroxene so as to generate calcium salt, magnesium salt and other solid particles, and carbon oxides and sulfides are adsorbed and sealed up for safekeeping.

A low-voltage soft power cable for naval ships including jackets, the protective sleeve is sleeved on the outer wall of the sealing sleeve gasket, the sealing sleeve gasket is mounted on the outer wall of the protective layer, the copper core stranded conductor is arranged inside the protective layer, An insulating layer is sleeved on the outer wall of the copper core stranded conductor, a connector is installed at the front end of the sheath, a groove is arranged at the front end middle part of the connector, the tail end of the groove is abutted with the front end of the conductive block, anexpansion spring is installed at the center of the inner bottom surface of the conductive block, and an abutment plate is installed at the front end of the expansion spring. By arranging the sheath,The filling layer, anti-slip grain, sealing sleeve, protective layer, connecting piece and sealing ring, the problems of short service life, poor compression resistance, extrusion damage to stranded conductor of copper core, unstable grip of water on cable surface, slip off of hand, inconvenient connection of cable and unsafe use of connecting piece are solved.

The invention relates to the field of metal composite materials and discloses a metal composite plate and a preparation method thereof. The metal composite plate is formed by clamping and combining two metal plates and a foam metal fiber layer, wherein the foam metal fiber layer is formed from a foam metal, first fibers, second fibers, third fibers and a filler; the first fibers penetrate through two end faces of the foam metal in a length direction; the second fibers penetrate through two end faces of the foam metal in a width direction; the third fibers penetrate through two end faces of the foam metal in a thickness direction; the first fibers, the second fibers and the third fibers intersect to form a three-dimensional network structure; and at least partial ports of the foam metal are filled by the filler. According to the metal composite plate provided by the invention, the interlayer binding force between the upper and lower metal plates and the intermediate layer is higher.

The invention relates to the technical field of bearing pedestals, in particular to a double-bearing cross beam bearing pedestal of an oil pumping unit. The double-bearing cross beam bearing pedestal of the oil pumping unit comprises a bearing pedestal body, a connecting mechanism is mounted on the bearing pedestal body, a fastening mechanism is mounted on the connecting mechanism, an abutting mechanism is arranged on the connecting mechanism, a protection mechanism is connected to the connecting mechanism, a lubricating mechanism is mounted on the connecting mechanism, and a collecting mechanism is mounted on the connecting mechanism. Under the action of the connecting mechanism, a movable arm and a cross beam of the oil pumping unit can be rotationally connected conveniently, oil pumping work of the oil pumping unit is advantageously carried out; under the action of the fastening mechanism, the interior of the connecting mechanism can be fastened and stable more conveniently after the connecting mechanism and the movable arm are installed, and the service life of the equipment is prolonged; the connecting mechanism is firmly connected under the cooperation of the abutting mechanism and the protection mechanism, subsequent disassembly and maintenance are facilitated; and the connecting mechanism is favorably lubricated under the action of the lubricating mechanism and the collecting mechanism, lubricating oil is prevented from flowing back, and scrap iron is conveniently collected, stored and cleaned.

The invention discloses an improved dual-layer metal hose for petrochemical engineering. The improved dual-layer metal hose comprises a metal bellow and a net cover, the net cover fixedly sleeves thesurface of the metal bellow, end rings are fixedly installed at the two ends of the metal bellow and fixedly connected with one end of a jointing pipe, a connecting flange is fixedly installed at theother end of the jointing pipe, and four installing holes are fixedly formed in the surface of the connecting flange. According to the improved dual-layer metal hose for petrochemical engineering, through the arrangement of the dual-layer structures of the metal bellow and the net cover, the net cover can share static loads of the metal hose in the axial direction and the radial direction, and itcan also be guaranteed that the metal hose safely and reliably works on the condition that fluid flows along a pipeline and generates a pulsation effect; meanwhile, the net cover can guarantee that the corrugated part of the hose does not directly suffer from mechanical damage in the aspects of relative friction, impact and the like, and the strength of the metal hose is improved; through the arrangement of a pressure resistance ring, the pressure resistance effect can be well achieved, and the situation that the use of the metal hose is influenced when the metal hose is pressurized and deformed.

The invention discloses a formula and a preparation method of a special synergist for soil improvement. The formula comprises the following raw materials in percentage by weight: 1-6% of phosphorite, 2-8% of magnesium silicate mineral, 4-9% of potassium sulfate, 5-10% of compound amino acid, 4-9% of urea, 2-6% of enzyme microorganisms, 1-8% of urea formaldehyde, 3-9% of metalloproteinase, 13-18% of humic acid, 14-20% of lime,11-20% of crop straw, 14-22% of chicken manure, 0.2-2% of biological agent, 0.1-1% of urease inhibitor, 0.2-1% of ammoniastabilizer, 0.4-0.8% of DCPTA, 0.1-0.2% of hydrogen peroxide silver ion solution, and 0.2-0.6% of sepiolite. According to the formula of the special synergist for soil improvement, the metalloproteinase is added, the metalloproteinase contains long-chain protease and an anionic surfactant, nitrogen release is controlled, water-soluble phosphorus fixation is inhibited, microelements are collected, the validity period of the synergist is prolonged, the synergistic effect is remarkably improved, and the polypeptide component in the metalloproteinase can play roles in rooting, root nourishing and root strengthening. The enzyme microorganisms are added and are beneficial to fermentation and decomposition of organic materials, and soil is helped to decay crop residues in the last season.

A dense steel wire winding silicone hose relates to the technical field of hoses, in particular to a dense steel wire winding silicone hose. The object of the present invention is to provide a dense steel wire wound silicone hose with strong stability and good tensile performance. The invention provides a dense steel wire wound silicone hose, which is characterized in that: an inner rubber layer is arranged inside, an air cushion layer is arranged outside the inner rubber layer, and the air cushion layer and the inner rubber layer are connected by glue; A middle rubber layer is provided, and a steel wire braid is intertwined outside the middle rubber layer; an outer rubber layer is arranged outside the steel wire braid, an armor layer is arranged outside the outer rubber layer, and a self-healing material is arranged between the outer rubber layer and the armor layer.